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Contents Page 1. Aim ...................................................Page 3 2. Prediction ......................................................Page 3 3. Scientific knowledge ..........................................Page 3 to 6 4. Apparatus list ......................................................Page 7 5. Diagram ......................................................Page 8 6. Method - Dilution table - Experiment ...............................................Page 9 to 10 7. Results - Table - Graph ...............................................Page 11 to 12 8. Conclusion ....................................................Page 13 9. Evaluation ..............................................Page 13 to 14 10. Bibliography ....................................................Page 15 PLANNING Aim: In this experiment the rate at which a magnesium strip dissolves in different concentrations of hydrochloric acid will be measured. The experiment is to investigate the effects of concentration on the rate of reaction with reference to the collision theory. To prove this theory only one variable will be changed while the rest will remain the same for fair testing. The variable that will be changed is concentration. Prediction: The prediction of this experiment is that the rate at which the magnesium strips dissolve depend on the concentration of the hydrochloric acid. This means that the more concentrated and strong the acid is, the more effect it will have on the calcium...

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